Pesticide supplementing device for airborne spraying device

Abstract

The pesticide supplementing device comprises a premixing bin, a liquid bin and a pesticide bin, a piston is horizontally arranged in the premixing bin in a sliding mode, the piston is connected with a hydraulic cylinder, the hydraulic cylinder is fixedly connected with the outer wall of the premixing bin, the same side of the premixing bin is communicated with a liquid suction pipe and a liquid discharge pipe, the liquid suction pipe and the liquid discharge pipe are respectively provided with a one-way valve, and the one-way valve is connected with the pesticide bin. The liquid discharge pipe is used for being communicated with an onboard spraying pesticide box, a plurality of powder mixing holes are formed in the top of the premixing bin at intervals, and the powder mixing holes are communicated with the premixing bin; the liquid bin is used for containing to-be-mixed liquid medicine, and the bin bottom of the liquid bin is communicated with the liquid suction pipe; a plurality of medicine grooves are formed in the medicine bin at intervals, the medicine grooves correspond to the powder mixing holes one to one, the medicine grooves are located above the corresponding powder mixing holes and communicated with the powder mixing holes, a baffle is slidably inserted into the medicine bin in the sliding direction of the piston and used for shielding the powder mixing holes, and one end of the baffle is connected with a push rod of the hydraulic cylinder so that the baffle and the piston can slide synchronously. The problems of medicine waste and concentration deviation caused by the fact that solid medicine is prone to adhering to the wall or sinking to the bottom during medicine supplementing can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of helicopter airborne spraying, in particular to a medicine replenishing device used for an airborne spraying device. Background Art

[0002] At present, airborne spraying equipment mostly serves the fire-fighting or agricultural fields, and generally includes an airborne spraying box and a spraying device, wherein the airborne spraying box is used to contain liquid medicine and supply the liquid medicine to the spraying device for spraying through the spraying device.

[0003] Generally speaking, the liquid medicine in the airborne spray box has been prepared on the ground. However, according to the actual needs of a specific situation, it is sometimes necessary to adjust the concentration of the liquid medicine during the spraying process. In other words, it is necessary to set a replenishing device in the medicine box to replenish the medicine in the medicine box to change the concentration of the liquid medicine in the medicine box.

[0004] Existing medicine replenishing devices generally have the following problems: the medicine materials mostly include liquid medicine and powdered or granular solid medicine. Among them, liquid medicine easily mixes with the liquid medicine in the medicine box, but the mixing of solid medicine is prone to problems such as sticking to the wall and sinking to the bottom, resulting in solid medicine waste and deviation in the adjustment of liquid medicine concentration. At the same time, liquid medicine is also prone to sedimentation, affecting the final mixed concentration. Utility Model Content

[0005] The purpose of the utility model is to provide a medicine replenishing device for an airborne spraying device, which can solve the problem that solid medicine easily sticks to the wall or sinks to the bottom during medicine replenishment, resulting in medicine waste and concentration deviation.

[0006] The utility model is achieved through the following technical solutions:

[0007] and a control panel that is located adjacent to the control panel and has a check valve in its pumping station. The control panel is located adjacent to the control panel and has a check valve in its pumping station. The control panel is located adjacent to the control panel and has a check valve in its pumping station.

[0008] Optionally, the interior of the premixing bin is a horizontally extending cylindrical shape, and the piston is a matching round cake shape; the inner end of the discharge pipe is arranged at one end of the length direction of the premixing bin; the suction pipe is arranged on the side wall of the premixing bin and is tangent to the interior of the premixing bin; the powder mixing holes are located at the top of the side wall of the premixing bin and are evenly spaced along the axial direction of the interior of the premixing bin.

[0009] Optionally, a plurality of turbulence plates are provided on the inner bottom surface of the liquid bin protruding upward.

[0010] Optionally, the liquid suction pipe is connected to one side of the liquid bin in the horizontal direction; and all the turbulence plates are arranged at equal intervals in a direction away from the liquid suction pipe.

[0011] Optionally, a middle portion of the turbulence plate is bent toward the liquid suction pipe, so that the turbulence plate is an arc-shaped plate.

[0012] Optionally, a guide plate is horizontally provided in the liquid bin, extending in a direction away from the pipette, and the side of the guide plate facing the pipette is tightly connected to the bin wall of the liquid bin; the guide plate is located at a preset height above the top of the turbulence plate.

[0013] Optionally, the top of the medicine trough passes through the medicine bin, and a bin cover is provided on the top of the medicine bin.

[0014] Optionally, the medicine groove is a funnel-shaped groove, and the powder mixing hole is opened directly below the corresponding medicine groove.

[0015] Optionally, a strip-shaped chute matching the baffle is horizontally opened at the bottom of the medicine bin, and the width of the chute is slightly larger than the diameter of the powder mixing hole.

[0016] Optionally, the medicine bin, the premix bin and the liquid bin are stacked in sequence from top to bottom and fixedly connected, and the liquid bin is stacked on top of the airborne spray box; and further comprises a mounting frame, which covers and supports the medicine bin, the premix bin, the liquid bin and the airborne spray box, and the top of the mounting frame is used to be fixedly connected to the bottom of the aircraft.

[0017] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0018] The utility model provides a medicine replenishing device for an airborne spraying device, which stores liquid medicines by setting a liquid bin, stores solid medicines by setting a medicine bin, and provides a premixing bin, in which a piston is provided, and the piston is connected to a hydraulic cylinder, and a suction pipe, a discharge pipe and a one-way valve are provided. The hydraulic cylinder is used to drive the piston to move in the premixing bin, so that the liquid medicine in the liquid bin is gradually sucked into the premixing bin and kept flowing. During the process, the push rod of the hydraulic cylinder drives the baffle to move synchronously, so that the powder mixing holes are opened in sequence, so that the solid medicine in each medicine trough falls into the premixing bin in sequence and is premixed with the flowing liquid medicine to form a medicine liquid. After the required amount of medicine to be replenished is reached, the hydraulic cylinder is controlled to push the piston in the opposite direction, and the premixed medicine liquid is discharged into the airborne medicine box through the discharge pipe, and is mixed with the medicine liquid inside, thereby effectively solving the problem that the solid medicine is easy to stick to the wall or sink to the bottom during medicine replenishment, resulting in medicine waste and concentration deviation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings described herein are used to provide a further understanding of the embodiments of the present invention, constitute a part of this application, and do not constitute a limitation of the embodiments of the present invention. In the accompanying drawings:

[0020] Figure 1 A schematic diagram of a medicine replenishing device for an airborne spraying device provided in an embodiment of the present utility model;

[0021] Figure 2 A cross-sectional view of a drug replenishing device for an airborne spraying device provided in an embodiment of the present utility model;

[0022] Figure 3 A schematic diagram of a piston of a medicine replenishing device for an airborne spraying device provided by an embodiment of the present utility model when the piston is in a first working position;

[0023] Figure 4 This is a schematic diagram of the piston of the medicine replenishing device for the airborne spraying device provided by an embodiment of the utility model moving to the second working position.

[0024] Markings and corresponding parts names in the accompanying drawings:

[0025] 1-mounting frame; 10-premixing bin; 11-piston; 12-hydraulic cylinder; 13-suction tube; 14-discharge tube; 15-check valve; 16-powder mixing hole; 20-liquid bin; 21-turbulence plate; 22-guide plate; 30-medicine bin; 31-medicine trough; 32-baffle; 33-bin cover; 34-chute. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The schematic implementation methods of the present invention and their descriptions are only used to explain the present invention and are not intended to limit the present invention.

[0027] Example

[0028] Please refer to Figures 1 to 4 The present embodiment provides a drug replenishing device for an airborne spraying device, comprising a premixing bin 10, wherein a piston 11 is provided in the premixing bin 10 for horizontal sliding movement, wherein the piston 11 is connected to a hydraulic cylinder 12, wherein the hydraulic cylinder 12 is fixedly connected to the outer wall of the premixing bin 10, wherein a liquid suction pipe 13 and a liquid discharge pipe 14 are connected to the same side of the premixing bin 10, wherein the liquid suction pipe 13 and the liquid discharge pipe 14 are respectively provided with a one-way valve 15, wherein the liquid discharge pipe 14 is used to communicate with the airborne spraying box, wherein a plurality of powder mixing holes 16 are spaced apart on the top of the premixing bin 10 along the sliding direction of the piston 11, wherein the powder mixing holes 16 are connected to the premixing bin 10 connected; the second includes a liquid bin 20, which is used to hold the liquid medicine to be mixed, and the bottom of the liquid bin 20 is connected to the pipette 13; the third includes a medicine bin 30, which is separated by a plurality of medicine grooves 31, and the medicine grooves 31 correspond one-to-one to the powder mixing holes 16. The medicine grooves 31 are located above the corresponding powder mixing holes 16 and are connected, and the medicine bin 30 is slidably inserted with a baffle 32 along the sliding direction of the piston 11, and the baffle 32 is used to block the powder mixing hole 16. One end of the baffle 32 is connected to the push rod of the hydraulic cylinder 12 so that the baffle 32 slides synchronously with the piston 11.

[0029] The medicine replenishing device for an airborne spraying device provided in this embodiment is provided with a liquid tank 20 for storing liquid medicine, a medicine tank 30 for storing solid medicine, a premixing tank 10, a piston 11 in the premixing tank, and a hydraulic cylinder 12 connected thereto. A liquid suction pipe 13, a liquid discharge pipe 14 and a one-way valve 15 are provided. The hydraulic cylinder 12 is used to drive the piston 11 to move in the premixing tank 10, thereby gradually sucking the liquid medicine in the liquid tank 20 into the premixing tank 10 and keeping it flowing. During the process, the push rod of the hydraulic cylinder 12 is driven The dynamic baffle 32 moves synchronously to open the powder mixing holes 16 in sequence, so that the solid medicine in each medicine groove 31 falls into the pre-mixing bin 10 in sequence and is pre-mixed with the flowing liquid medicine to form a medicine liquid. After the required amount of medicine is reached, the hydraulic cylinder 12 is controlled to push the piston 11 in the opposite direction, and the pre-mixed medicine liquid is discharged into the onboard medicine box through the discharge pipe 14, and is mixed with the medicine liquid inside. This effectively solves the problem that the solid medicine is easy to stick to the wall or sink to the bottom when replenishing the medicine, resulting in medicine waste and concentration deviation.

[0030] In order to further explain the specific structure of the premixing bin 10, the interior of the premixing bin 10 is a horizontally extending cylindrical shape, and the piston 11 is a matching round cake shape; the inner end of the discharge pipe 14 is arranged at one end of the length direction of the premixing bin 10; the suction pipe 13 is arranged on the side wall of the premixing bin 10 and is tangent to the interior of the premixing bin 10; the powder mixing holes 16 are located at the top of the side wall of the premixing bin 10 and are evenly spaced along the axial direction of the interior of the premixing bin 10.

[0031] By arranging the liquid pipe 13 on the side wall of the premixing chamber 10 and being tangent to the interior of the premixing chamber 10 , the sucked liquid medicine forms a vortex in the premixing chamber 10 to ensure its fluidity and enhance the mixing effect.

[0032] In order to prevent the liquid medicine in the liquid bin 20 from being stratified and precipitated, a plurality of turbulence plates 21 are provided on the bottom surface of the liquid bin 20 so as to protrude upward.

[0033] Through the above arrangement, during the process of inhaling the liquid medicine, turbulence is formed when the liquid medicine flows through the turbulence plate 21, so as to improve the uniformity of mixing.

[0034] In order to improve the utilization rate of the turbulence plates 21 , the liquid suction pipe 13 is connected to one side of the liquid bin 20 in the horizontal direction; all the turbulence plates 21 are arranged at equal intervals in a direction away from the liquid suction pipe 13 .

[0035] Preferably, the middle portion of the turbulence plate 21 is bent toward the direction of the liquid suction pipe 13 , so that the turbulence plate 21 is an arc-shaped plate.

[0036] In order to prevent the liquid medicine from passing over the turbulence plate 21 and being directly sucked into the pipette 13, a guide plate 22 is horizontally provided in the liquid bin 20. The guide plate 22 extends in a direction away from the pipette 13, and the side of the guide plate 22 facing the pipette 13 is tightly connected to the bin wall of the liquid bin 20; the guide plate 22 is located at a preset height above the top of the turbulence plate 21.

[0037] In order to facilitate drug addition, the top of the drug trough 31 passes through the drug bin 30 , and a bin cover 33 is provided on the top of the drug bin 30 .

[0038] In order to facilitate the solid medicine to fall into the powder mixing hole 16 , the medicine groove 31 is a funnel-shaped groove, and the powder mixing hole 16 is opened directly below the corresponding medicine groove 31 .

[0039] To further explain the sliding structure of the baffle 32 , a strip-shaped chute 34 matching the baffle 32 is horizontally opened at the bottom of the medicine bin 30 , and the width of the chute 34 is slightly larger than the diameter of the powder mixing hole 16 .

[0040] Preferably, the medicine bin 30, the premix bin 10 and the liquid bin 20 are stacked in sequence from top to bottom and fixedly connected, and the liquid bin 20 is stacked on the top of the airborne spraying box; it also includes a mounting frame 1, which covers and supports the medicine bin 30, the premix bin 10, the liquid bin 20 and the airborne spraying box, and the top of the mounting frame 1 is used to be fixedly connected to the bottom of the aircraft.

[0041] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only a specific implementation method of the utility model and is not intended to limit the scope of protection of the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A medicine replenishing device for an airborne spraying device, characterized in that: include: A premixing bin (10) is provided with a piston (11) which slides horizontally in the premixing bin (10), the piston (11) is connected to a hydraulic cylinder (12), the hydraulic cylinder (12) is fixedly connected to the outer wall of the premixing bin (10), a liquid suction pipe (13) and a liquid discharge pipe (14) are connected on the same side of the premixing bin (10), the liquid suction pipe (13) and the liquid discharge pipe (14) are respectively provided with a one-way valve (15), the liquid discharge pipe (14) is used to communicate with an onboard spraying box, a plurality of powder mixing holes (16) are spaced apart on the top of the premixing bin (10) along the sliding direction of the piston (11), and the powder mixing holes (16) are connected to the premixing bin (10); A liquid bin (20), the liquid bin (20) is used to contain the liquid medicine to be mixed, and the bottom of the liquid bin (20) is connected to the pipette (13); A medicine bin (30) is provided with a plurality of medicine grooves (31) spaced apart from each other. The medicine grooves (31) correspond to the powder mixing holes (16) one by one. The medicine grooves (31) are located above and connected to the corresponding powder mixing holes (16). The medicine bin (30) is provided with a baffle (32) that slides along the sliding direction of the piston (11). The baffle (32) is used to block the powder mixing holes (16). One end of the baffle (32) is connected to the push rod of the hydraulic cylinder (12) so that the baffle (32) and the piston (11) slide synchronously.

2. The drug replenishing device for an airborne spraying device according to claim 1, characterized in that: The interior of the premixing chamber (10) is in the shape of a horizontally extending cylinder, and the piston (11) is in the shape of a matching round pancake; The inner end of the liquid discharge pipe (14) is arranged at one end of the premixing chamber (10) in the length direction; The liquid suction pipe (13) is arranged on the side wall of the premixing chamber (10) and is tangent to the interior of the premixing chamber (10); The powder mixing holes (16) are located at the top of the side wall of the premixing bin (10) and are evenly spaced along the axial direction of the premixing bin (10).

3. The drug replenishing device for an airborne spraying device according to claim 1, characterized in that: The inner bottom surface of the liquid bin (20) is provided with a plurality of turbulence plates (21) protruding upward.

4. The drug replenishing device for an airborne spraying device according to claim 3, characterized in that: The liquid suction pipe (13) is in communication with one side of the liquid bin (20) in a horizontal direction; All the turbulence plates (21) are arranged at equal intervals in a direction away from the liquid suction pipe (13).

5. The drug replenishing device for an airborne spraying device according to claim 4, characterized in that: The middle portion of the turbulence plate (21) is bent toward the direction of the liquid suction pipe (13), so that the turbulence plate (21) is an arc-shaped plate.

6. The drug replenishing device for an airborne spraying device according to claim 5, characterized in that: A guide plate (22) is horizontally provided in the liquid bin (20), and the guide plate (22) extends in a direction away from the liquid pipette (13), and the side of the guide plate (22) facing the liquid pipette (13) is tightly connected to the bin wall of the liquid bin (20); The guide plate (22) is located at a preset height above the top of the turbulence plate (21).

7. The drug replenishing device for an airborne spraying device according to claim 1, characterized in that: The top of the medicine trough (31) passes through the medicine bin (30), and a bin cover (33) is provided on the top of the medicine bin (30).

8. The drug replenishing device for an airborne spraying device according to claim 7, characterized in that: The medicine groove (31) is a funnel-shaped groove, and the powder mixing hole (16) is opened directly below the corresponding medicine groove (31).

9. The drug replenishing device for an airborne spraying device according to claim 8, characterized in that: A strip-shaped chute (34) matching the baffle (32) is horizontally opened at the bottom of the medicine bin (30), and the width of the chute (34) is slightly larger than the diameter of the powder mixing hole (16).

10. The drug replenishing device for an airborne spraying device according to claim 1, characterized in that: The medicine bin (30), the premix bin (10) and the liquid bin (20) are stacked in sequence from top to bottom and fixedly connected, and the liquid bin (20) is stacked on top of the onboard spraying box; It also includes a mounting frame (1), which covers and supports the medicine bin (30), the premix bin (10), the liquid bin (20) and the onboard spraying box, and the top of the mounting frame (1) is used for fixed connection with the bottom of the aircraft.

Images